80243278 opened a new issue #8334: 请问:树状图里支持异步加载吗。
URL: https://github.com/apache/incubator-echarts/issues/8334
 
 
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   ### One-line summary [问题简述]
   因为咱们现用的版本的echart生成树图是将所有数据全部加载到前台,进行生成树图。能否支持异步加载数据,即点击某一个树形节点时,加载其子节点的数据。
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]: v4.1.0.rc2
   + Browser version [浏览器类型和版本]:ie11
   + OS Version [操作系统类型和版本]:window7 X64
   
   
   
   
   
   ### Expected behaviour [期望结果]
   能实现异步加载子节点数据。
   
   ### ECharts option [ECharts配置项]
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   ```javascript
   option = {
   
   }
   
   ```
   
   
   
   
   ### Other comments [其他信息]
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   <!-- [例如,截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   
   

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